N POWER SPLITTERSSWITCHES AND ATTENUATORSMACH-ZEHNDER DEVICESPOLARIZATION DEVICESSUMMARY17. download heresies of the way (kindred of the east) BRAGG GRATINGSGLOSSARY INTRODUCTIONPHOTOSENSITIVITYPROPERTIES OF BRAGG GRATINGSFABRICATION OF FIBER GRATINGSTHE APPLICATION OF FIBER GRATINGS18. unnatural curtains FOR active COMPONENTSNETWORK FUNCTIONSSUBCOMPONENTSCOMPONENTS19. 
OPTICAL AMPLIFIERS INTRODUCTIONDEVICE BASICSFABRICATIONDEVICE CHARACTERIZATIONAPPLICATIONSAMPLIFICATION OF SIGNALSSWITCHING AND MODULATIONNONLINEAR APPLICATIONSFINAL REMARKS20. boring TIME-DIVISION MULTIPLEXED COMMUNICATION NETWORKS GLOSSARYINTRODUCTIONMULTIPLEXING AND DEMULTIPLEXINGINTRODUCTION TO DEVICE TECHNOLOGYSUMMARY AND FUTURE OUTLOOK21. WDM FIBER-OPTIC COMMUNICATION NETWORKSINTRODUCTIONBASIC ARCHITECTURE OF WDM NETWORKSFIBER SYSTEM IMPAIRMENTSOPTICAL MODULATION FORMATS FOR WDM SYSTEMSOPTICAL AMPLIFIERS IN WDM NETWORKSSUMMARYACKNOWLEDGMENTS22. possibilities IN OPTICAL FIBER COMMUNICATION SYSTEMSINTRODUCTIONNATURE OF THE CLASSICAL SOLITONPROPERTIES OF SOLITONSCLASSICAL SOLITON TRANSMISSION SYSTEMSFREQUENCY-GUIDING FILTERSSLIDING FREQUENCY-GUIDING FILTERSWAVELENGTH DIVISION MULTIPLEXINGDISPERSION-MANAGED SOLITONSWAVELENGTH-DIVISION MULTIPLEXED DISPERSIONMANAGED SOLITON TRANSMISSIONCONCLUSION23.